The floor was shown in 3 different ways after it was painted ultra white.
Using a projection, using a picture, using text cut out of the floor.

This was not important.

The visitors did not see the intervention, not even the camera man taking the pictures of this exhibition.
The owners of this decaying building (no heating, raining inside, ...) in contrast, were furious after seeing the painted floor.
I had to restore the floor which was almost impossible, time consuming, expensive, ridiculous and therefore interesting.